Transformer fault diagnosis based on new features selection and artificial bee colony optimization SVM

Yiyi Zhang, Hongbo Peng, Jiake Fang, Liuliang Zhao, Xin Li, Changyi Liao
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引用次数: 1

Abstract

In order to improve the accuracy of power transformers, a new DGA ratios based on support vector machine (SVM) and quantum-behaved particle swarm optimization with binary encoding (BQPSO) algorithm was proposed in the paper. First of all, 28 DGA ratios are used as the input vectors. Then, the SVM parameters and DGA ratios were simultaneously optimized by BQPSO. Finally, a transformer fault diagnosis model based on the artificial bee colony (ABC) algorithm optimization SVM combined with the cross validation (CV) principle is used to diagnostic fault. The diagnosis results show that the proposed DGA ratios increase the accuracy by 12%-28% over IEC ratios and DGA data. Furthermore, the accuracy of ABCSVM is better than the GASVM and standard SVM (accuracy rate are 84.35% 79.33%% and 65.41%).
基于新特征选择和人工蜂群优化支持向量机的变压器故障诊断
为了提高电力变压器的精度,提出了一种基于支持向量机(SVM)和量子粒子群优化二值编码(BQPSO)的DGA比算法。首先,使用28个DGA比率作为输入向量。然后,利用BQPSO算法对SVM参数和DGA比例进行同步优化。最后,建立了基于人工蜂群(ABC)算法优化支持向量机的变压器故障诊断模型,并结合交叉验证(CV)原理进行故障诊断。结果表明,所提出的DGA比IEC比和DGA数据的诊断准确率提高了12% ~ 28%。ABCSVM的准确率分别为84.35%、79.33%和65.41%,优于GASVM和标准SVM。
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